Three-dimensional quantitative structure-activity relationships of cyclo-oxygenase-2 (COX-2) inhibitors: A comparative molecular field analysis

被引:106
作者
Chavatte, P
Yous, S
Marot, C
Baurin, N
Lesieur, D
机构
[1] Univ Lille 2, Inst Chim Pharmaceut Albert Lespagnol, F-59006 Lille, France
[2] Univ Orleans, UMR 6005, Inst Chim Organ & Analyt, F-45067 Orleans 2, France
关键词
D O I
10.1021/jm0101343
中图分类号
R914 [药物化学];
学科分类号
100701 ;
摘要
The three-dimensional quantitative structure-activity relationship (3D-QSAR) approach using comparative molecular field analysis (CoMFA) was applied to an extensive series of 305 varied diarylheterocyclic derivatives known as COX-2 selective inhibitors. X-ray crystal structure of COX-2 bound with SC-558, a selective COX-2 inhibitor, was used to derive the putative bioactive conformation of these inhibitors. Five statistically significant models were obtained from the randomly constituted training sets (229 compounds) and subsequently validated with the corresponding test sets (76 compounds). The best predictive model (n = 229, q(2) = 0.714, N = 8, r(2) = 0.905, s = 0.291, F = 261.545) was selected for further comparison of the CoMFA contour maps obtained for steric, electrostatic, and lipophilic fields with the enzyme structure. The high level of compatibility with the COX-2 enzyme topology shows the great accuracy of this model that can predict inhibitory activities for a wide range of compounds and offers important structural insight into designing novel antiinflammatory drugs prior to their synthesis.
引用
收藏
页码:3223 / 3230
页数:8
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